CN203931771U - Novel photovoltaic transformer - Google Patents
Novel photovoltaic transformer Download PDFInfo
- Publication number
- CN203931771U CN203931771U CN201420364589.9U CN201420364589U CN203931771U CN 203931771 U CN203931771 U CN 203931771U CN 201420364589 U CN201420364589 U CN 201420364589U CN 203931771 U CN203931771 U CN 203931771U
- Authority
- CN
- China
- Prior art keywords
- low
- coil
- voltage coil
- voltage
- transformer
- Prior art date
Links
- 238000004804 winding Methods 0.000 claims abstract description 28
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Chemical group data:image/svg+xml;base64,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 data:image/svg+xml;base64,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 [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 5
- RYGMFSIKBFXOCR-UHFFFAOYSA-N copper Chemical compound data:image/svg+xml;base64,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 data:image/svg+xml;base64,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 [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 12
- 239000010949 copper Substances 0.000 claims description 10
- 229910052802 copper Inorganic materials 0.000 claims description 10
- 238000009413 insulation Methods 0.000 claims description 6
- 238000003466 welding Methods 0.000 claims description 6
- 239000004593 Epoxy Substances 0.000 claims description 3
- 239000005030 aluminium foil Substances 0.000 claims description 3
- 239000004020 conductors Substances 0.000 claims description 3
- 239000011889 copper foil Substances 0.000 claims description 3
- 125000003700 epoxy group Chemical group 0.000 claims description 3
- 239000010410 layers Substances 0.000 claims description 3
- 239000010759 marine diesel oil Substances 0.000 claims description 3
- 238000005516 engineering processes Methods 0.000 abstract description 4
- 235000009808 lpulo Nutrition 0.000 abstract description 2
- 238000010586 diagrams Methods 0.000 description 2
- 280000587119 Core Energy companies 0.000 description 1
- 280000872037 Global Energy companies 0.000 description 1
- 239000004411 aluminium Substances 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminum Chemical compound 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[Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
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Abstract
Description
Technical field
The utility model relates to transformer technology field, is specifically related to Novel photovoltaic transformer.
Background technology
Nowadays,, along with day by day reducing and the consciousness enhancing of the mankind to environmental protection of global energy, there is in recent years the development of advancing by leaps and bounds taking wind energy, solar energy as the generating cause of the core energy, and will become whole world energy supply main body.Wind-force, solar photovoltaic generation system can be divided into two kinds of autonomous system and net systems, and autonomous system is mainly used at present without electricity or lacks the outlying district of electric power, and net system is to move with utility network direct grid-connected.Its weak point is: the dual-winding double-splitting structural design that existing transformer adopting is traditional, i.e. two groups of low-voltage coil axial splits, two groups of high-tension coil axial arrangings, when cast, two groups of coils pour into a coil, and electric upper two groups of coils from parallel connection of coils unifications are drawn; Said structure makes the coil electric poor performance of its transformer, is prone to partial discharge or lightning impulse phenomenon, thus the useful life of having reduced transformer.
Summary of the invention
It is even that the purpose of this utility model is to provide a kind of coil inside Electric Field Distribution, thereby can ensure that coil has good electric property, and partial discharge quantity is few, and lightning impulse resistant ability is strong, the Novel photovoltaic transformer that has effectively extended useful life.
In order to solve the existing problem of background technology, the utility model is by the following technical solutions: Novel photovoltaic transformer, comprise high pressure winding, low pressure winding and iron core, described high pressure winding is a high-tension coil, described low pressure winding comprises the first low-voltage coil and the second low-voltage coil, described the first low-voltage coil and the second low-voltage coil interlaced arrangement, the end of described the first low-voltage coil and the welding of the first conducting copper are drawn, and the end of described the second low-voltage coil and the welding of the second conducting copper are drawn; Described the first low-voltage coil and the second low-voltage coil comprise at least respectively four maps, between described each map, are connected in parallel.
Further, the conductor of described the first low-voltage coil and the second low-voltage coil is Copper Foil or aluminium foil.
Further, the equal turn numbers of the number of turn of described the first low-voltage coil and the second low-voltage coil.
Further, the section insulation of described transformer adopts epoxy plate to level up.
Further, the layer insulation of described transformer adopts DMD insulating paper.
The utlity model has following beneficial effect: Novel photovoltaic transformer described in the utility model, comprise high pressure winding, low pressure winding and iron core, wherein, described high pressure winding is a high-tension coil, described low pressure winding comprises the first low-voltage coil and the second low-voltage coil, described the first low-voltage coil and the second low-voltage coil interlaced arrangement; The utility model is by adopting the first low-voltage coil and the second low-voltage coil interlaced arrangement, make the high-tension coil of this photovoltaic transformer can make a coil, reduce the number of turn of high-tension coil, thereby high-tension coil hop count and the number of plies are all reduced thereupon, the first low-voltage coil and the second low-voltage coil are made up of multiplex winding simultaneously, make like this coil inside Electric Field Distribution more even, finally ensure that coil has good electric property, and partial discharge quantity is few, lightning impulse resistant ability is strong, has effectively extended useful life.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model.
Fig. 2 is the elementary diagram of the utility model mesolow winding.
Fig. 3 be in the utility model the first low-voltage coil and the second low-voltage coil respectively with the first conducting copper and the second conducting copper connection diagram.
Embodiment
Below in conjunction with accompanying drawing, the utility model is described in more detail.
As Fig. 1, Fig. 2, shown in Fig. 3, Novel photovoltaic transformer, comprise high pressure winding, low pressure winding and iron core, described high pressure winding is a high-tension coil, described low pressure winding comprises the first low-voltage coil 1 and the second low-voltage coil 2, described the first low-voltage coil 1 and the second low-voltage coil 2 interlaced arrangement, the end of described the first low-voltage coil 1 and the first conducting copper 3 welding are drawn, the end of described the second low-voltage coil 2 and the second conducting copper 4 welding are drawn, the first conducting copper 3 and the second conducting copper 4 all can be designed to aluminium row, design can ensure that coil has good electric property like this, wherein, starting when x1 is the first low-voltage coil 1 coiling, a1 is the complete head of the first low-voltage coil 1 coiling while completing, its around to be right around to, starting when x2 is the second low-voltage coil 2 coiling, a2 is the complete heads of the second low-voltage coil 2 coilings while completing, its around to be right around to, described the first low-voltage coil 1 and the second low-voltage coil 2 comprise at least respectively four maps 5, between described each map 5, be connected in parallel, it should be noted that here, the coil of a transformer can be tens tunnels, in the present embodiment, the coil 5 Wei Liu roads of this photovoltaic transformer, way distributes more, and Electric Field Distribution is more even, thereby the electric property of coil is strengthened, can avoid occurring partial discharge or lightning impulse phenomenon, reduce energy consumption, effectively extend useful life.
The conductor of described the first low-voltage coil 1 and the second low-voltage coil 2 is Copper Foil or aluminium foil, and design has coiling conveniently, security performance advantages of higher like this.
The equal turn numbers of the number of turn of described the first low-voltage coil 1 and the second low-voltage coil 2, wherein, the number of turn altogether of every coil is 12 circles, makes like this Electric Field Distribution more even.
The section insulation of described transformer adopts epoxy plate 6 to level up; The layer insulation of described transformer adopts DMD insulating paper 7, has further improved the insulating properties of this photovoltaic transformer, stable, the reliable and fail safe while having ensured transformer operation.
Finally explanation is, above embodiment is only unrestricted in order to the technical solution of the utility model to be described, other amendments that those of ordinary skill in the art make the technical solution of the utility model or be equal to replacement, only otherwise depart from the spirit and scope of technical solutions of the utility model, all should be encompassed in the middle of claim scope of the present utility model.
Claims (5)
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420364589.9U CN203931771U (en) | 2014-07-03 | 2014-07-03 | Novel photovoltaic transformer |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420364589.9U CN203931771U (en) | 2014-07-03 | 2014-07-03 | Novel photovoltaic transformer |
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| CN203931771U true CN203931771U (en) | 2014-11-05 |
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| CN201420364589.9U CN203931771U (en) | 2014-07-03 | 2014-07-03 | Novel photovoltaic transformer |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104036931A (en) * | 2014-07-03 | 2014-09-10 | 江苏亨特集团华特电气有限公司 | Novel photovoltaic transformer |
| CN105070491A (en) * | 2015-08-24 | 2015-11-18 | 宁波奥克斯高科技有限公司 | Double-splitting photovoltaic variable structure |
| WO2016095126A1 (en) * | 2014-12-17 | 2016-06-23 | 特变电工股份有限公司 | Transformer for photovoltaic power generation |
| CN105810411A (en) * | 2016-04-27 | 2016-07-27 | 白城电力镇赉变压器有限责任公司 | Structure and process of integrally wound foil coil of low voltage winding of axial split transformer |
-
2014
- 2014-07-03 CN CN201420364589.9U patent/CN203931771U/en not_active IP Right Cessation
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104036931A (en) * | 2014-07-03 | 2014-09-10 | 江苏亨特集团华特电气有限公司 | Novel photovoltaic transformer |
| WO2016095126A1 (en) * | 2014-12-17 | 2016-06-23 | 特变电工股份有限公司 | Transformer for photovoltaic power generation |
| CN107251173A (en) * | 2014-12-17 | 2017-10-13 | 特变电工股份有限公司 | A kind of photovoltaic power generation transformer |
| CN107251173B (en) * | 2014-12-17 | 2019-05-03 | 特变电工股份有限公司 | A kind of photovoltaic power generation transformer |
| CN105070491A (en) * | 2015-08-24 | 2015-11-18 | 宁波奥克斯高科技有限公司 | Double-splitting photovoltaic variable structure |
| CN105810411A (en) * | 2016-04-27 | 2016-07-27 | 白城电力镇赉变压器有限责任公司 | Structure and process of integrally wound foil coil of low voltage winding of axial split transformer |
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